@font-face {
    font-family: 'Neo Sans Std';
    src: url('../assets/fonts/Neo Sans Std Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Neo Sans Std';
    src: url('../assets/fonts/Neo Sans Std Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Neo Sans Std';
    src: url('../assets/fonts/Neo Sans Std Bold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Neo Sans Std';
    src: url('../assets/fonts/Neo Sans Std Black.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
}

:root {
    /* Primary Colors */
    --color-navy: #012E40;
    --color-teal: #03738C;

    /* Accent Colors */
    --color-green-bright: #29EA28;
    --color-green-dark: #11A837;
    --color-yellow: #FFD700;
    /* Approximate yellow from visual identity */

    /* UI Colors */
    --color-white: #FFFFFF;
    --color-light-gray: #F4F7F9;
    --color-text-dark: #333333;
    --color-text-muted: #666666;

    /* Typography */
    --font-main: 'Neo Sans Std', sans-serif;

    /* Layout Constants */
    --section-padding: 80px 20px;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-white);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Accessibility: Highlighted Focus (Grife de Verde) */
:focus {
    outline: none;
    box-shadow: 0 3px 0 var(--color-green-bright);
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
}

/* Base Styles */
h1,
h2,
h3 {
    text-transform: uppercase;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--color-green-bright);
    color: var(--color-navy);
}

.btn-primary:hover {
    background-color: var(--color-green-dark);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(41, 234, 40, 0.4);
}

.btn-secondary {
    background-color: var(--color-teal);
    color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-navy);
    transform: translateY(-3px);
}

/* Header */
header {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo .highlight {
    color: var(--color-green-bright);
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul a:hover {
    color: var(--color-green-bright);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-navy) 60%, var(--color-teal) 100%);
    color: var(--color-white);
    padding: 180px 20px 100px;
    position: relative;
    overflow: hidden;
}

/* Visual identity diagonal element */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--color-white);
    clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: var(--color-green-bright);
    margin-bottom: 30px;
    font-weight: 600;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-bottom: 8px solid var(--color-green-bright);
}

/* Section Common */
section {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--color-navy);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-green-bright);
    margin: 15px auto 0;
}

/* Biography */
.bio {
    background-color: var(--color-light-gray);
}

.bio .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.bio-text {
    flex: 1;
}

.bio-image {
    flex: 0 0 400px;
}

.bio-image img {
    border-radius: 15px;
    transform: rotate(-3deg);
    border: 10px solid var(--color-white);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Proposals */
.proposals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.proposal-card {
    background: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-top: 5px solid var(--color-teal);
    transition: var(--transition);
}

.proposal-card:hover {
    transform: translateY(-10px);
    border-top-color: var(--color-green-bright);
}

.proposal-card h3 {
    color: var(--color-navy);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.proposal-card p {
    color: var(--color-text-muted);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    height: 300px;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Accessibility & SEO Helpers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Footer */
footer {
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 50px 20px;
    text-align: center;
}

.social-links {
    margin: 20px 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-info {
    margin-top: 30px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* Responsive */
@media (max-width: 992px) {
    .container {
        padding: 0 30px;
    }

    .hero .container,
    .bio .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-image {
        order: -1;
    }

    .bio-image {
        order: -1;
        flex: none;
        width: 100%;
    }

    nav ul {
        display: none;
        /* Mobile menu placeholder */
    }
}